Catheter and hydrophilic, friction-reducing coating thereon
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United States of America Patent
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Aug 20, 1991
Grant Date -
N/A
app pub date -
Apr 28, 1989
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A friction-reducing coating may be applied to a base material, for example the outer surface of a catheter, to provide a significant reduction in catheter friction, particularly when the friction-reducing coating is hydrated. The coating comprises an intimate mixture of a structural plastic material, for example polyurethane, and high molecular weight poly(ethylene oxide).
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